dense bed 中文意思是什麼

dense bed 解釋
密相床層
  • dense : adj. 1. 密集的,(物質等)密度大的,(人口等)稠密的。2. (煙、霧等)濃密的,濃厚的。3. 愚鈍的。4. 【攝影】〈頁片〉高密度的。adv. -ly ,-ness n.
  • bed : n 1 床,床鋪;床位,鋪;(動物的)窩;〈比喻〉安樂窩,墳墓;床墊;睡眠;就宿。2 婚姻,夫婦關系。3...
  1. Our research takes ptv technology to obtain data in the experimental set. the movement data of sand are aimed near the sand bed surface. out research demarcate the error of ptv method and provide a new way to research the dense wind - blown - sand flow

    本文使用ptv測量系統在實驗裝置中獲得了近沙面的沙粒運動信息,解決了一系列測量方法和圖像處理中的實際問題,標定了實驗中ptv技術測量數據的誤差。
  2. The wavelet multi - analysis is adopted to further understand the microstructure of solids holdup fluctuation, the vivid fingermark images show that it is a fractal and dissipative structure. the low and frequency signals reflect the dilute phase fluctuation behavior and dense phase ( cluster ) fluctuation behavior, respectively. to deep understand the multi - scales characteristic of gas - solids circulating fluidization, the wp decompose methods for obtaining the eigenvalue of gas - solid fluidized bed has been developed. the results show that eigenvalues of different scales are effective for identification of non - uniform and dynamic structure of gas - solid fluidized bed

    小波多分辨分析法得到指紋圖形象地揭示了顆粒濃度脈動的自相似、分叉等具有混沌特徵的微觀結構;小波分解后信號中的低頻和高頻成分分別代表了稀相和密相的脈動行為,小波包分解提取能量特徵值的方法能夠揭示氣固的多尺度特性,不同尺度上的能量特徵值四川大學碩十論文反映了氣固循環流化系統中存在的非均勻動態時空結構。
  3. In order to look for the key factors governing fluidization characteristics in the dense phase pulverized powder feeder, the effects of the different operating conditions and the geometrical variables on the mass ratio of powder and gas and the stable conveying time of the system were investigated in the self - developed special dense phase powder conveying test - bed

    摘要為了尋找影響濃相粉體給料器流化特性的關鍵因素,在自行設計的專用小型濃相粉體輸送試驗臺上,考察了不同操作參數和結構參數對輸送固氣質量比和穩定給粉時間的影響,總結了各因素對流化質量的影響規律。
  4. Such grids effectively smooth out the velocity fluctuation above the dense bed.

    柵格在密相床層上有效地使速度波動平緩起來。
  5. Main sale : filing cabinet, hang cabinet, safe cabinet, dense archives cabinet, bookshelf, goodsshelf, desk, screen, chair, iron bed, etc. our enterprise has a strong productive force and its goods has a high quality

    主營:文件櫃,更衣箱,保險櫃,密集檔案櫃,書架,貨架,辦公桌,班臺,屏風,椅子,鐵床等系列產品,公司生產力量雄厚,產品優質。
  6. In this paper, a model is presented to describe pyrolysis of biomass in a fluidized bed reactor, which is characterized with reaction routes related to the biomass particles either in dense phase or in dilute phase

    摘要研究了流化床內的生物質快速裂解模型,其特點是考慮了原料粒子在下部密相區和上部稀相區的不同反應歷程。
  7. Research on bubble behaviors in fluidized bed with dense solid - rich phase

    高密度濃相流化床內氣泡行為的研究
  8. Part of content about fluidized bed thermodynamic calculation in the 《 layer and fluidized combustion thermodynamic calculation standard for industrial boiler 》 ( jb / dq1060 - 83 ) are discussed the computing equation of fly ash carbon content and the thermal equilibrium equation in the dense phase considering evaporation of water of unburned coal are given. the revise necessary is provided through calculating examples

    對jb / dq1060 - 83 《層狀燃燒及沸騰燃燒工業鍋爐熱力計算標準》中沸騰爐熱力計算的部分內容進行了探討,導出了沸騰層飛灰含碳量計算式和考慮未燃煤水分蒸發的沸騰層熱平衡方程,通過算例說明了修正的必要性。
  9. A part of content about fluidized bed thermodynamic calculation in the 《 layer and fluidized combustion thermodynamic calculation standard for industrial boiler 》 ( jb / dq1060 - 83 ) are discussed the computing equation of fly ash carbon content and the thermal equilibrium equation in the dense phase considering evaporation of water of unburned coal are given. the revise necessary is provided through calculating examples

    對jb / dq1060 - 83 《層狀燃燒及沸騰燃燒工業鍋爐熱力計算標準》中沸騰爐熱力計算的部分內容進行了探討,導出了沸騰層飛灰含碳量計算式和考慮未燃煤水分蒸發的沸騰層熱平衡方程,通過算例說明了修正的必要性。
  10. Inverted system control of large air dense medium fluidized bed

    大型空氣重介流化床的逆系統控制
  11. When the density of the packing material is smaller than that of the liquid, the packed bed becomes less dense and will expand before flooding

    當填料密度比液體密度小時,在液泛前填料會發生松動和膨脹,通過修正填料床的孔隙度可以計算膨脹填料床的壓降。
  12. Dynamics of single particles of dry coal separating in the air dense medium fluidized bed

    空氣重介質流化床干法分選原理的單顆粒動力學描述
  13. The work is mainly on numerical simulation of dense gas - solid two phase flow and the combustion and pollutant emission processes of circulating fluidized bed and w - shaped furnace applied by power plant

    本文主要對高濃度氣固兩相流和電站鍋爐中的循環流化床和w爐內的燃燒和污染物排放過程進行了較為詳細的數值模擬研究。
  14. Numerical simulation of solid flows and density distribution in air dense medium fluidized bed

    空氣重介流化床介質流動和床層密度分佈研究
  15. On the base of the study of dense gas - solid flow, we make full - scale numerical simulation on the combustion and pollutant emission processes of the 75t / h circulating fluidized bed ( cfb ) which is developed by our institute. we draw the conclusion on the characteristics of flow field, particle track, temperature profiles and species profiles. we also study the characteristics of coal combustion and nox formation and the interactive influence between them

    在對高濃度氣固兩相流動的系統研究基礎上,針對我們熱能所研製開發的75t h循環流化床熱電氣三聯供裝置,首次對于流化床燃燒爐內的燃燒和污染物排放進行了較全面的數值模擬,得出了爐內的流場、顆粒軌跡場、溫度場和組份場,研究了煤粉燃燒特性和氮氧化物的排放特性以及影響它們的因素。
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